The Fosi Audio P2 headphone amplifier comes with a 6.35mm to 3.5mm adapter. It is suitable for a 3.5mm or 6.35mm headphone.
It is convenient for us to switch the RCA and AUX input via a selector. Multiple devices are allowed, such as smartphones, TV, computer, and so on
![]() P2 | ![]() P1 | ![]() P3 | ![]() Q4 | ![]() T20 | ![]() T3 | ![]() K5 PRO | |
Customer Reviews
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4.3 out of 5 stars
346
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4.5 out of 5 stars
647
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4.4 out of 5 stars
133
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4.4 out of 5 stars
2,651
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4.4 out of 5 stars
1,186
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4.2 out of 5 stars
36
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4.2 out of 5 stars
576
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Price
| £49.99£49.99 | £37.99£37.99 | £89.99£89.99 | £59.49£59.49 | £89.99£89.99 | — | £67.99£67.99 |
Type
| Headphone Amp +Preamp | Preamp | Preamp + Headphone Amp | DAC+Headphone Amp | Bluetooth Tube 2.0 CH Amp | Bluetooth Tube 2.1 CH Amp | DAC+Headphone Amp |
MAX Power Output
| - | - | - | - | 50W x 2 | 50W x 2 | - |
Input
| AUX + RCA | RCA | Bluetooth + RCA | USB + Optical + Coaxial | Bluetooth + RCA | Bluetooth+3.5mm AUX1+3.5mmAUX2 | USB-C+OPT+COA+Microphone |
Output
| 3.5 mm + 6.35 mm | RCA | RCA + 3.5mm Headphone + AUX | RCA + 3.5mm Headphone | Passive Speakers + Headphone | Passive Speakers+Sub+Headphone | RCA + 3.5mm Headphone |
Treble & Bass Control
| ✘ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
THD
| ≤ 0.03% | ≤ 0.1% | ≤ 0.02% | ≤ 0.01% | ≤ 0.04% | ≤ 0.1% | <0.003% |
SNR
| ≥ 95dB | ≥ 98dB | ≥ 103dB | ≥ 105dB | ≥ 98dB | ≥ 80dB | >110dB |
Power Adapter
| 12V/1.5A | 12V/1A | 12V/1.5A | - | 24V/4.5A | - | - |
Work Voltage
| AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | DC 5V | AC 110V - 240V | AC 110V - 240V | USB-C/DC5V |